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A student must make a buffer solution with a pH of 7.00.7.00. Determine which weak acid is the best option to make a buffer at the specified pH. acetic acid, ?a=1.75×10−5,�a=1.75×10−5, 5.00 M propionic acid, ?a=1.34×10−5,�a=1.34×10−5, 3.00 M ammonium citrate, ?a=4.06×10−7,�a=4.06×10−7, 2.00 M sodium dihydrogen phosphate monohydrate, ?a=6.23×10−8,�a=6.23×10−8, 2.00 M Determine which conjugate base is the best option to make a buffer at the specified pH. sodium acetate trihydrate, CH3COONa⋅3H2OCH3COONa⋅3H2O disodium hydrogen phosphate heptahydrate, Na2HPO4⋅7H2ONa2HPO4⋅7H2O sodium propionate, CH3CH2COONaCH3CH2COONa sodium citrate dihydrate, C6H5O7Na3⋅2H2OC6H5O7Na3⋅2H2O The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 M. Based on this information, what mass of solid conjugate base should the student weigh out to make the buffer solution with a pH of 7.00? mass = g Based on this information, what volume of acid should the student measure to make the buffer solution? volume = mL

A student must make a buffer solution with a pH of 7.00.7.00. Determine which weak acid is the best option to make a buffer at the specified pH. acetic acid, ?a=1.75×10−5,�a=1.75×10−5, 5.00 M propionic acid, ?a=1.34×10−5,�a=1.34×10−5, 3.00 M ammonium citrate, ?a=4.06×10−7,�a=4.06×10−7, 2.00 M sodium dihydrogen phosphate monohydrate, ?a=6.23×10−8,�a=6.23×10−8, 2.00 M Determine which conjugate base is the best option to make a buffer at the specified pH. sodium acetate trihydrate, CH3COONa⋅3H2OCH3COONa⋅3H2O disodium hydrogen phosphate heptahydrate, Na2HPO4⋅7H2ONa2HPO4⋅7H2O sodium propionate, CH3CH2COONaCH3CH2COONa sodium citrate dihydrate, C6H5O7Na3⋅2H2OC6H5O7Na3⋅2H2O The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 M. Based on this information, what mass of solid conjugate base should the student weigh out to make the buffer solution with a pH of 7.00? mass = g Based on this information, what volume of acid should the student measure to make the buffer solution? volume = mL

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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A student must make a buffer solution with a pH of 7.00.7.00.
Determine which weak acid is the best option to make a buffer at the specified pH.
acetic acid, ?a=1.75×10−5,�a=1.75×10−5, 5.00 M
propionic acid, ?a=1.34×10−5,�a=1.34×10−5, 3.00 M
ammonium citrate, ?a=4.06×10−7,�a=4.06×10−7, 2.00 M
sodium dihydrogen phosphate monohydrate, ?a=6.23×10−8,�a=6.23×10−8, 2.00 M
Determine which conjugate base is the best option to make a buffer at the specified pH.
sodium acetate trihydrate, CH3COONa⋅3H2OCH3COONa⋅3H2O
disodium hydrogen phosphate heptahydrate, Na2HPO4⋅7H2ONa2HPO4⋅7H2O
sodium propionate, CH3CH2COONaCH3CH2COONa
sodium citrate dihydrate, C6H5O7Na3⋅2H2OC6H5O7Na3⋅2H2O

The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 M.

Based on this information, what mass of solid conjugate base should the student weigh out to make the buffer solution with a pH of 7.00?

mass = g
Based on this information, what volume of acid should the student measure to make the buffer solution?
volume = mL
O Macmillan Learning A student must make a buffer solution with a pH of 7.00. Determine which weak acid is the best option to make a buffer at the specified pH. O O acetic acid, K₁ = 1.75 x 10-5, 5.00 M O propionic acid, K₁ = 1.34 x 10-5, 3.00 M O ammonium citrate, K₁ = 4.06 x 10-7, 2.00 M ● sodium dihydrogen phosphate monohydrate, K₂ = 6.23 × 10-8, 2.00 M Determine which conjugate base is the best option to make a buffer at the specified pH. sodium acetate trihydrate, CH3COONa. 3 H₂O ● disodium hydrogen phosphate heptahydrate, Na₂HPO4.7H₂O O sodium propionate, CH₂CH₂COONa O sodium citrate dihydrate, C,H,O,Na, .2H₂O The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 M. Based on this information, what mass of solid conjugate base should the student weigh out to make the buffer solution with a pH of 7.00?
Transcribed Image Text:O Macmillan Learning A student must make a buffer solution with a pH of 7.00. Determine which weak acid is the best option to make a buffer at the specified pH. O O acetic acid, K₁ = 1.75 x 10-5, 5.00 M O propionic acid, K₁ = 1.34 x 10-5, 3.00 M O ammonium citrate, K₁ = 4.06 x 10-7, 2.00 M ● sodium dihydrogen phosphate monohydrate, K₂ = 6.23 × 10-8, 2.00 M Determine which conjugate base is the best option to make a buffer at the specified pH. sodium acetate trihydrate, CH3COONa. 3 H₂O ● disodium hydrogen phosphate heptahydrate, Na₂HPO4.7H₂O O sodium propionate, CH₂CH₂COONa O sodium citrate dihydrate, C,H,O,Na, .2H₂O The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 M. Based on this information, what mass of solid conjugate base should the student weigh out to make the buffer solution with a pH of 7.00?
The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 Based on this information, what mass of solid conjugate base should the student weigh out to make the buffer solution with a pH of 7.00? mass= 43.03 Incorrect Based on this information, what volume of acid should the student measure to make the buffer solution? volume = Incorrect g mL
Transcribed Image Text:The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 Based on this information, what mass of solid conjugate base should the student weigh out to make the buffer solution with a pH of 7.00? mass= 43.03 Incorrect Based on this information, what volume of acid should the student measure to make the buffer solution? volume = Incorrect g mL
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